Did you follow these instructions?
Start Texmod.exe
Make sure you are in the Package Mode
Click in the Target Application the Browse button and select the path to your tra.exe file
In the Select Packages part there is a small Browse button to the right, click that
Select the file hwlin57_fixed.tpf
A package HWLIN57_FIXED should appear on the left side
Click on that name
Click the Run button
In the game, you must select Replay Level and select from the outfits Catsuit
Click Start game and enjoy the view